Photo of the 9/11 Tribute in Light from the 9/11 Memorial & Museum in New York City It’s hard to believe that 9/11 happened 25 years ago—and even harder to realize that 40% of Americans (i.e., those 30 and under) have little or no direct memory of what happened on that fateful day and the difficult days, months and years that followed. 9/11 was a classic Black Swan event. Whether we should have seen it coming or not, we didn’t. The impact was horrific, visceral and unbelievable on so many...